A:大米
B:海带
C:食醋
D:食盐
给划线字注音,根据拼音写汉字。风骚 恪 尽职守 旁wù 吹毛求cī______
(a·b)·7=____·(____·____)
The discovery of the new drug is of great significance to people _______ from heart problems.